| #include "dcmihandler.hpp" |
| #include "host-ipmid/ipmid-api.h" |
| #include <phosphor-logging/elog-errors.hpp> |
| #include <phosphor-logging/log.hpp> |
| #include <sdbusplus/bus.hpp> |
| #include "utils.hpp" |
| #include <stdio.h> |
| #include <string.h> |
| #include <stdint.h> |
| #include "xyz/openbmc_project/Common/error.hpp" |
| |
| using namespace phosphor::logging; |
| using InternalFailure = |
| sdbusplus::xyz::openbmc_project::Common::Error::InternalFailure; |
| |
| void register_netfn_dcmi_functions() __attribute__((constructor)); |
| |
| constexpr auto PCAP_PATH = "/xyz/openbmc_project/control/host0/power_cap"; |
| constexpr auto PCAP_INTERFACE = "xyz.openbmc_project.Control.Power.Cap"; |
| |
| constexpr auto POWER_CAP_PROP = "PowerCap"; |
| constexpr auto POWER_CAP_ENABLE_PROP = "PowerCapEnable"; |
| |
| using namespace phosphor::logging; |
| |
| namespace dcmi |
| { |
| |
| uint32_t getPcap(sdbusplus::bus::bus& bus) |
| { |
| auto settingService = ipmi::getService(bus, |
| PCAP_INTERFACE,PCAP_PATH); |
| |
| auto method = bus.new_method_call(settingService.c_str(), |
| PCAP_PATH, |
| "org.freedesktop.DBus.Properties", |
| "Get"); |
| |
| method.append(PCAP_INTERFACE, POWER_CAP_PROP); |
| auto reply = bus.call(method); |
| |
| if (reply.is_method_error()) |
| { |
| log<level::ERR>("Error in getPcap prop"); |
| elog<InternalFailure>(); |
| } |
| sdbusplus::message::variant<uint32_t> pcap; |
| reply.read(pcap); |
| |
| return pcap.get<uint32_t>(); |
| } |
| |
| bool getPcapEnabled(sdbusplus::bus::bus& bus) |
| { |
| auto settingService = ipmi::getService(bus, |
| PCAP_INTERFACE,PCAP_PATH); |
| |
| auto method = bus.new_method_call(settingService.c_str(), |
| PCAP_PATH, |
| "org.freedesktop.DBus.Properties", |
| "Get"); |
| |
| method.append(PCAP_INTERFACE, POWER_CAP_ENABLE_PROP); |
| auto reply = bus.call(method); |
| |
| if (reply.is_method_error()) |
| { |
| log<level::ERR>("Error in getPcapEnabled prop"); |
| elog<InternalFailure>(); |
| } |
| sdbusplus::message::variant<bool> pcapEnabled; |
| reply.read(pcapEnabled); |
| |
| return pcapEnabled.get<bool>(); |
| } |
| |
| void readAssetTagObjectTree(dcmi::assettag::ObjectTree& objectTree) |
| { |
| static constexpr auto mapperBusName = "xyz.openbmc_project.ObjectMapper"; |
| static constexpr auto mapperObjPath = "/xyz/openbmc_project/object_mapper"; |
| static constexpr auto mapperIface = "xyz.openbmc_project.ObjectMapper"; |
| static constexpr auto inventoryRoot = "/xyz/openbmc_project/inventory/"; |
| |
| sdbusplus::bus::bus bus{ipmid_get_sd_bus_connection()}; |
| auto depth = 0; |
| |
| auto mapperCall = bus.new_method_call(mapperBusName, |
| mapperObjPath, |
| mapperIface, |
| "GetSubTree"); |
| |
| mapperCall.append(inventoryRoot); |
| mapperCall.append(depth); |
| mapperCall.append(std::vector<std::string>({dcmi::assetTagIntf})); |
| |
| auto mapperReply = bus.call(mapperCall); |
| if (mapperReply.is_method_error()) |
| { |
| log<level::ERR>("Error in mapper call"); |
| elog<InternalFailure>(); |
| } |
| |
| mapperReply.read(objectTree); |
| |
| if (objectTree.empty()) |
| { |
| log<level::ERR>("AssetTag property is not populated"); |
| elog<InternalFailure>(); |
| } |
| } |
| |
| std::string readAssetTag() |
| { |
| sdbusplus::bus::bus bus{ipmid_get_sd_bus_connection()}; |
| dcmi::assettag::ObjectTree objectTree; |
| |
| // Read the object tree with the inventory root to figure out the object |
| // that has implemented the Asset tag interface. |
| readAssetTagObjectTree(objectTree); |
| |
| auto method = bus.new_method_call( |
| (objectTree.begin()->second.begin()->first).c_str(), |
| (objectTree.begin()->first).c_str(), |
| dcmi::propIntf, |
| "Get"); |
| method.append(dcmi::assetTagIntf); |
| method.append(dcmi::assetTagProp); |
| |
| auto reply = bus.call(method); |
| if (reply.is_method_error()) |
| { |
| log<level::ERR>("Error in reading asset tag"); |
| elog<InternalFailure>(); |
| } |
| |
| sdbusplus::message::variant<std::string> assetTag; |
| reply.read(assetTag); |
| |
| return assetTag.get<std::string>(); |
| } |
| |
| void writeAssetTag(const std::string& assetTag) |
| { |
| sdbusplus::bus::bus bus{ipmid_get_sd_bus_connection()}; |
| dcmi::assettag::ObjectTree objectTree; |
| |
| // Read the object tree with the inventory root to figure out the object |
| // that has implemented the Asset tag interface. |
| readAssetTagObjectTree(objectTree); |
| |
| auto method = bus.new_method_call( |
| (objectTree.begin()->second.begin()->first).c_str(), |
| (objectTree.begin()->first).c_str(), |
| dcmi::propIntf, |
| "Set"); |
| method.append(dcmi::assetTagIntf); |
| method.append(dcmi::assetTagProp); |
| method.append(sdbusplus::message::variant<std::string>(assetTag)); |
| |
| auto reply = bus.call(method); |
| if (reply.is_method_error()) |
| { |
| log<level::ERR>("Error in writing asset tag"); |
| elog<InternalFailure>(); |
| } |
| } |
| |
| } // namespace dcmi |
| |
| ipmi_ret_t getPowerLimit(ipmi_netfn_t netfn, ipmi_cmd_t cmd, |
| ipmi_request_t request, ipmi_response_t response, |
| ipmi_data_len_t data_len, ipmi_context_t context) |
| { |
| auto requestData = reinterpret_cast<const dcmi::GetPowerLimitRequest*> |
| (request); |
| std::vector<uint8_t> outPayload(sizeof(dcmi::GetPowerLimitResponse)); |
| auto responseData = reinterpret_cast<dcmi::GetPowerLimitResponse*> |
| (outPayload.data()); |
| |
| if (requestData->groupID != dcmi::groupExtId) |
| { |
| *data_len = 0; |
| return IPMI_CC_INVALID_FIELD_REQUEST; |
| } |
| |
| sdbusplus::bus::bus sdbus {ipmid_get_sd_bus_connection()}; |
| uint32_t pcapValue = 0; |
| bool pcapEnable = false; |
| |
| try |
| { |
| pcapValue = dcmi::getPcap(sdbus); |
| pcapEnable = dcmi::getPcapEnabled(sdbus); |
| } |
| catch (InternalFailure& e) |
| { |
| *data_len = 0; |
| return IPMI_CC_UNSPECIFIED_ERROR; |
| } |
| |
| responseData->groupID = dcmi::groupExtId; |
| |
| /* |
| * Exception action if power limit is exceeded and cannot be controlled |
| * with the correction time limit is hardcoded to Hard Power Off system |
| * and log event to SEL. |
| */ |
| constexpr auto exception = 0x01; |
| responseData->exceptionAction = exception; |
| |
| responseData->powerLimit = static_cast<uint16_t>(pcapValue); |
| |
| /* |
| * Correction time limit and Statistics sampling period is currently not |
| * populated. |
| */ |
| |
| *data_len = outPayload.size(); |
| memcpy(response, outPayload.data(), *data_len); |
| |
| if (pcapEnable) |
| { |
| return IPMI_CC_OK; |
| } |
| else |
| { |
| return IPMI_DCMI_CC_NO_ACTIVE_POWER_LIMIT; |
| } |
| } |
| |
| ipmi_ret_t getAssetTag(ipmi_netfn_t netfn, ipmi_cmd_t cmd, |
| ipmi_request_t request, ipmi_response_t response, |
| ipmi_data_len_t data_len, ipmi_context_t context) |
| { |
| auto requestData = reinterpret_cast<const dcmi::GetAssetTagRequest*> |
| (request); |
| std::vector<uint8_t> outPayload(sizeof(dcmi::GetAssetTagResponse)); |
| auto responseData = reinterpret_cast<dcmi::GetAssetTagResponse*> |
| (outPayload.data()); |
| |
| if (requestData->groupID != dcmi::groupExtId) |
| { |
| *data_len = 0; |
| return IPMI_CC_INVALID_FIELD_REQUEST; |
| } |
| |
| // Verify offset to read and number of bytes to read are not exceeding the |
| // range. |
| if ((requestData->offset > dcmi::assetTagMaxOffset) || |
| (requestData->bytes > dcmi::maxBytes) || |
| ((requestData->offset + requestData->bytes) > dcmi::assetTagMaxSize)) |
| { |
| *data_len = 0; |
| return IPMI_CC_PARM_OUT_OF_RANGE; |
| } |
| |
| std::string assetTag; |
| |
| try |
| { |
| assetTag = dcmi::readAssetTag(); |
| } |
| catch (InternalFailure& e) |
| { |
| *data_len = 0; |
| return IPMI_CC_UNSPECIFIED_ERROR; |
| } |
| |
| responseData->groupID = dcmi::groupExtId; |
| |
| // Return if the asset tag is not populated. |
| if (!assetTag.size()) |
| { |
| responseData->tagLength = 0; |
| memcpy(response, outPayload.data(), outPayload.size()); |
| *data_len = outPayload.size(); |
| return IPMI_CC_OK; |
| } |
| |
| // If the asset tag is longer than 63 bytes, restrict it to 63 bytes to suit |
| // Get Asset Tag command. |
| if (assetTag.size() > dcmi::assetTagMaxSize) |
| { |
| assetTag.resize(dcmi::assetTagMaxSize); |
| } |
| |
| // If the requested offset is beyond the asset tag size. |
| if (requestData->offset >= assetTag.size()) |
| { |
| *data_len = 0; |
| return IPMI_CC_PARM_OUT_OF_RANGE; |
| } |
| |
| auto returnData = assetTag.substr(requestData->offset, requestData->bytes); |
| |
| responseData->tagLength = assetTag.size(); |
| |
| memcpy(response, outPayload.data(), outPayload.size()); |
| memcpy(static_cast<uint8_t*>(response) + outPayload.size(), |
| returnData.data(), returnData.size()); |
| *data_len = outPayload.size() + returnData.size(); |
| |
| return IPMI_CC_OK; |
| } |
| |
| ipmi_ret_t setAssetTag(ipmi_netfn_t netfn, ipmi_cmd_t cmd, |
| ipmi_request_t request, ipmi_response_t response, |
| ipmi_data_len_t data_len, ipmi_context_t context) |
| { |
| auto requestData = reinterpret_cast<const dcmi::SetAssetTagRequest*> |
| (request); |
| std::vector<uint8_t> outPayload(sizeof(dcmi::SetAssetTagResponse)); |
| auto responseData = reinterpret_cast<dcmi::SetAssetTagResponse*> |
| (outPayload.data()); |
| |
| if (requestData->groupID != dcmi::groupExtId) |
| { |
| *data_len = 0; |
| return IPMI_CC_INVALID_FIELD_REQUEST; |
| } |
| |
| // Verify offset to read and number of bytes to read are not exceeding the |
| // range. |
| if ((requestData->offset > dcmi::assetTagMaxOffset) || |
| (requestData->bytes > dcmi::maxBytes) || |
| ((requestData->offset + requestData->bytes) > dcmi::assetTagMaxSize)) |
| { |
| *data_len = 0; |
| return IPMI_CC_PARM_OUT_OF_RANGE; |
| } |
| |
| std::string assetTag; |
| |
| try |
| { |
| assetTag = dcmi::readAssetTag(); |
| |
| if (requestData->offset > assetTag.size()) |
| { |
| *data_len = 0; |
| return IPMI_CC_PARM_OUT_OF_RANGE; |
| } |
| |
| assetTag.replace(requestData->offset, |
| assetTag.size() - requestData->offset, |
| static_cast<const char*>(request) + |
| sizeof(dcmi::SetAssetTagRequest), |
| requestData->bytes); |
| |
| dcmi::writeAssetTag(assetTag); |
| |
| responseData->groupID = dcmi::groupExtId; |
| responseData->tagLength = assetTag.size(); |
| memcpy(response, outPayload.data(), outPayload.size()); |
| *data_len = outPayload.size(); |
| |
| return IPMI_CC_OK; |
| } |
| catch (InternalFailure& e) |
| { |
| *data_len = 0; |
| return IPMI_CC_UNSPECIFIED_ERROR; |
| } |
| } |
| |
| void register_netfn_dcmi_functions() |
| { |
| // <Get Power Limit> |
| printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",NETFUN_GRPEXT, IPMI_CMD_DCMI_GET_POWER_LIMIT); |
| ipmi_register_callback(NETFUN_GRPEXT, IPMI_CMD_DCMI_GET_POWER_LIMIT, NULL, getPowerLimit, |
| PRIVILEGE_USER); |
| |
| // <Get Asset Tag> |
| printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",NETFUN_GRPEXT, IPMI_CMD_DCMI_GET_ASSET_TAG); |
| ipmi_register_callback(NETFUN_GRPEXT, IPMI_CMD_DCMI_GET_ASSET_TAG, NULL, getAssetTag, |
| PRIVILEGE_USER); |
| |
| // <Set Asset Tag> |
| printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",NETFUN_GRPEXT, IPMI_CMD_DCMI_SET_ASSET_TAG); |
| ipmi_register_callback(NETFUN_GRPEXT, IPMI_CMD_DCMI_SET_ASSET_TAG, NULL, setAssetTag, |
| PRIVILEGE_OPERATOR); |
| return; |
| } |
| // 956379 |